<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		
		<script>
			var a=new Array("fsdf.","fdsf","fsdfa","4545");
			for(i=0;i<a.length;i++){
				document.write(a[i]);
			}
			var b=a.join("*");
			console.log(b);
			var c=a.reverse();
			console.log("c="+c);
			var d=new Array(1212,4546,1231,45);
			var s=d.sort(function(a,b){return a-b});
			console.log("s="+s);
			
			
		</script>
		
	</body>
</html>
